function drawVisualization() {
  // Create and populate the data table.
  var data = google.visualization.arrayToDataTable([
    ['Revenue', 'Licenses'],
    [435, 132],
    [438, 131],
    [512, 137],
    [460, 142],
    [491, 140],
    [487, 139],
    [552, 147],
    [511, 146],
    [505, 151],
    [509, 149]
  ]);

  // Create and draw the visualization.
  new google.visualization.ImageSparkLine(
    document.getElementById('visualization')).draw(data, null);
}
